first commit

common/Settings/Validators/RealtimeCredentialsValidator.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Common\Settings\Validators;
+
+use Config;
+use Exception;
+use Arr;
+use Pusher\Pusher;
+
+class RealtimeCredentialsValidator
+{
+    const KEYS = ['pusher_key', 'pusher_secret', 'pusher_app_id', 'pusher_cluster'];
+
+    public function fails($settings)
+    {
+        $this->setConfigDynamically($settings);
+
+       try {
+           $config = Config::get('broadcasting.connections.pusher');
+           $pusher = new Pusher($config['key'], $config['secret'],
+               $config['app_id'], Arr::get($config, 'options', []));
+           if ($pusher->get_channels() === false) {
+               return $this->getErrorMessage();
+           }
+       } catch (Exception $e) {
+           return $this->getErrorMessage();
+       }
+    }
+
+    private function setConfigDynamically($settings)
+    {
+        foreach (self::KEYS as $key) {
+            if ( ! Arr::has($settings, $key)) continue;
+            if ($key === 'pusher_cluster') {
+                Config::set("broadcasting.connections.pusher.options.cluster", $settings[$key]);
+            } else {
+                $configKey = str_replace('pusher_', '', $key);
+                Config::set("broadcasting.connections.pusher.$configKey", $settings[$key]);
+            }
+        }
+    }
+
+    /**
+     * @param Exception $e
+     * @return array
+     */
+    private function getErrorMessage($e = null)
+    {
+        return ['pusher_group' => 'These pusher credentials are not valid.'];
+    }
+}